/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
*
* (C) Copyright IBM Corp. 1999 All Rights Reserved.
* Copyright 1997 The Open Group Research Institute. All rights reserved.
*/
package sun.security.krb5.internal;
import sun.security.krb5.*;
import sun.security.util.*;
import java.util.Vector;
import java.io.IOException;
import java.io.*;
/**
* Implements the ASN.1 EncTicketPart type.
*
* <xmp>
* EncTicketPart ::= [APPLICATION 3] SEQUENCE {
* flags [0] TicketFlags,
* key [1] EncryptionKey,
* crealm [2] Realm,
* cname [3] PrincipalName,
* transited [4] TransitedEncoding,
* authtime [5] KerberosTime,
* starttime [6] KerberosTime OPTIONAL,
* endtime [7] KerberosTime,
* renew-till [8] KerberosTime OPTIONAL,
* caddr [9] HostAddresses OPTIONAL,
* authorization-data [10] AuthorizationData OPTIONAL
* }
* </xmp>
*
* <p>
* This definition reflects the Network Working Group RFC 4120
* specification available at
* <a href="http://www.ietf.org/rfc/rfc4120.txt">
* http://www.ietf.org/rfc/rfc4120.txt</a>.
*/
public class EncTicketPart {
public TicketFlags flags;
public EncryptionKey key;
public Realm crealm;
public PrincipalName cname;
public TransitedEncoding transited;
public KerberosTime authtime;
public KerberosTime starttime; //optional
public KerberosTime endtime;
public KerberosTime renewTill; //optional
public HostAddresses caddr; //optional
public AuthorizationData authorizationData; //optional
public EncTicketPart(
TicketFlags new_flags,
EncryptionKey new_key,
Realm new_crealm,
PrincipalName new_cname,
TransitedEncoding new_transited,
KerberosTime new_authtime,
KerberosTime new_starttime,
KerberosTime new_endtime,
KerberosTime new_renewTill,
HostAddresses new_caddr,
AuthorizationData new_authorizationData) {
flags = new_flags;
key = new_key;
crealm = new_crealm;
cname = new_cname;
transited = new_transited;
authtime = new_authtime;
starttime = new_starttime;
endtime = new_endtime;
renewTill = new_renewTill;
caddr = new_caddr;
authorizationData = new_authorizationData;
}
public EncTicketPart(byte[] data)
throws Asn1Exception, KrbException, IOException {
init(new DerValue(data));
}
public EncTicketPart(DerValue encoding)
throws Asn1Exception, KrbException, IOException {
init(encoding);
}
/**
* Initializes an EncTicketPart object.
* @param encoding a single DER-encoded value.
* @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
* @exception IOException if an I/O error occurs while reading encoded data.
* @exception RealmException if an error occurs while parsing a Realm object.
*/
private static String getHexBytes(byte[] bytes, int len)
throws IOException {
StringBuffer sb = new StringBuffer();
for (int i = 0; i < len; i++) {
int b1 = (bytes[i] >> 4) & 0x0f;
int b2 = bytes[i] & 0x0f;
sb.append(Integer.toHexString(b1));
sb.append(Integer.toHexString(b2));
sb.append(' ');
}
return sb.toString();
}
private void init(DerValue encoding)
throws Asn1Exception, IOException, RealmException {
DerValue der, subDer;
renewTill = null;
caddr = null;
authorizationData = null;
if (((encoding.getTag() & (byte) 0x1F) != (byte) 0x03)
|| (encoding.isApplication() != true)
|| (encoding.isConstructed() != true)) {
throw new Asn1Exception(Krb5.ASN1_BAD_ID);
}
der = encoding.getData().getDerValue();
if (der.getTag() != DerValue.tag_Sequence) {
throw new Asn1Exception(Krb5.ASN1_BAD_ID);
}
flags = TicketFlags.parse(der.getData(), (byte) 0x00, false);
key = EncryptionKey.parse(der.getData(), (byte) 0x01, false);
crealm = Realm.parse(der.getData(), (byte) 0x02, false);
cname = PrincipalName.parse(der.getData(), (byte) 0x03, false);
transited = TransitedEncoding.parse(der.getData(), (byte) 0x04, false);
authtime = KerberosTime.parse(der.getData(), (byte) 0x05, false);
starttime = KerberosTime.parse(der.getData(), (byte) 0x06, true);
endtime = KerberosTime.parse(der.getData(), (byte) 0x07, false);
if (der.getData().available() > 0) {
renewTill = KerberosTime.parse(der.getData(), (byte) 0x08, true);
}
if (der.getData().available() > 0) {
caddr = HostAddresses.parse(der.getData(), (byte) 0x09, true);
}
if (der.getData().available() > 0) {
authorizationData = AuthorizationData.parse(der.getData(), (byte) 0x0A, true);
}
if (der.getData().available() > 0) {
throw new Asn1Exception(Krb5.ASN1_BAD_ID);
}
}
/**
* Encodes an EncTicketPart object.
* @return byte array of encoded EncTicketPart object.
* @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
* @exception IOException if an I/O error occurs while reading encoded data.
*/
public byte[] asn1Encode() throws Asn1Exception, IOException {
DerOutputStream bytes = new DerOutputStream();
DerOutputStream temp = new DerOutputStream();
bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte) 0x00), flags.asn1Encode());
bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte) 0x01), key.asn1Encode());
bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte) 0x02), crealm.asn1Encode());
bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte) 0x03), cname.asn1Encode());
bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte) 0x04), transited.asn1Encode());
bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte) 0x05), authtime.asn1Encode());
if (starttime != null) {
bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte) 0x06), starttime.asn1Encode());
}
bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte) 0x07), endtime.asn1Encode());
if (renewTill != null) {
bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte) 0x08), renewTill.asn1Encode());
}
if (caddr != null) {
bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte) 0x09), caddr.asn1Encode());
}
if (authorizationData != null) {
bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte) 0x0A), authorizationData.asn1Encode());
}
temp.write(DerValue.tag_Sequence, bytes);
bytes = new DerOutputStream();
bytes.write(DerValue.createTag(DerValue.TAG_APPLICATION,
true, (byte) 0x03), temp);
return bytes.toByteArray();
}
}